| Conditions | 16 |
| Paths | 12 |
| Total Lines | 57 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 28 | private static function flipElseIf($tokens, $condition, $ifBody, $elseBody) |
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| 29 | { |
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| 30 | [$ifBlockStartIndex, $ifBody, $ifBlockEndIndex] = $ifBody; |
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| 31 | [$elseBodyStartIndex, $elseBody, $elseBodyEndIndex] = $elseBody; |
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| 32 | [$conditionStartIndex, $condition, $conditionCloseIndex] = $condition; |
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| 33 | |||
| 34 | $refactoredTokens = []; |
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| 35 | foreach ($tokens as $i => $oldToken) { |
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| 36 | // negate the condition |
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| 37 | if ($conditionStartIndex == $i) { |
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| 38 | $refactoredTokens[] = '('; |
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| 39 | $negatedConditionTokens = Condition::negate($condition); |
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| 40 | foreach ($negatedConditionTokens as $t) { |
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| 41 | $refactoredTokens[] = $t; |
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| 42 | } |
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| 43 | continue; |
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| 44 | } |
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| 45 | |||
| 46 | if ($i >= $conditionStartIndex && $i < $conditionCloseIndex) { |
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| 47 | continue; |
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| 48 | } |
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| 49 | |||
| 50 | if ($i == $ifBlockStartIndex) { |
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| 51 | $refactoredTokens[] = '{'; |
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| 52 | foreach ($elseBody as $t) { |
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| 53 | $refactoredTokens[] = $t; |
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| 54 | } |
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| 55 | continue; |
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| 56 | } |
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| 57 | |||
| 58 | if ($i > $ifBlockStartIndex && $i < $ifBlockEndIndex) { |
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| 59 | continue; |
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| 60 | } |
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| 61 | |||
| 62 | // removes: } else { |
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| 63 | if ($i >= $ifBlockEndIndex && $i < $elseBodyStartIndex) { |
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| 64 | continue; |
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| 65 | } |
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| 66 | |||
| 67 | // close the body and what was in the else block after it. |
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| 68 | if ($i == $elseBodyStartIndex) { |
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| 69 | $refactoredTokens[] = '}'; |
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| 70 | foreach ($ifBody as $t) { |
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| 71 | $refactoredTokens[] = $t; |
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| 72 | } |
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| 73 | } |
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| 74 | |||
| 75 | // ignore the else body. |
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| 76 | if ($i >= $elseBodyStartIndex && $i <= $elseBodyEndIndex) { |
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| 77 | continue; |
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| 78 | } |
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| 79 | |||
| 80 | $refactoredTokens[] = $oldToken; |
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| 81 | } |
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| 82 | |||
| 83 | return $refactoredTokens; |
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| 84 | } |
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| 85 | } |
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| 86 |
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.